Liquid flow energy storage electrolyte heat tracing system
By using a temperature control system that combines a heat insulation layer and an electric heating tape in the flow battery system, the operational problem caused by excessively low electrolyte temperature was solved, stable control of electrolyte temperature was achieved, and system operating efficiency was improved.
Patent Information
- Application Number
- CN202423227266.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In existing flow battery systems, excessively low electrolyte temperatures can cause the battery to malfunction, and neglecting electrolyte temperature control can affect system performance.
A liquid flow energy storage electrolyte heating system that combines a heat insulation layer and an electric heating cable monitors the electrolyte temperature and controls the working status of the electric heating cable to keep the electrolyte within a reasonable temperature range.
It effectively solves the problem of the flow energy storage system failing to operate normally due to excessively low electrolyte temperature, improves system operating efficiency, and expands the market and geographical reach of flow energy storage batteries.
Smart Images
Figure CN223712785U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of liquid flow battery, specifically relates to a liquid flow energy storage electrolyte heat tracing system. BACKGROUND
[0002] The liquid flow battery is a new type of electrochemical energy storage technology, and its principle is that reversible oxidation-reduction reaction of positive and negative electrode electrolyte solution active material, that is, reversible change of valence state, realizes mutual conversion of electric energy and chemical energy. In the reaction process, the fluctuation of temperature will have a great influence on the conductivity and viscosity of the electrolyte, and the electrochemical performance of V (V) and V (III) ions is greatly influenced by temperature. At present, there are many product types in the liquid flow battery energy storage market, but the influence of electrolyte temperature control on the whole system is rarely considered, and ignoring the influence of electrolyte temperature will have the following problems:
[0003] The electrolyte temperature is too low, and the electrolyte will solidify (become very viscous) when the temperature is lower than the freezing point of the electrolyte, so that the battery cannot run.
[0004] Therefore, the electrolyte heat tracing system for maintaining the optimal operating temperature of the battery is of great significance to the battery system.
[0005] The above problems are urgent to be solved. INVENTION CONTENTS
[0006] The utility model aims at overcoming the above technical problems in the prior art, and provides a liquid flow energy storage electrolyte heat tracing system, which can solve the problem that the liquid flow energy storage system cannot run normally due to too low electrolyte temperature.
[0007] The utility model provides a liquid flow energy storage electrolyte heat tracing system, which comprises a heat insulation layer, an electric heat tracing belt and a first temperature sensor for measuring electrolyte temperature.
[0008] The heat insulation layer is located in the capacity unit container of the liquid flow energy storage system, is sleeved outside the electrolyte storage tank of the liquid flow energy storage system, and the side surface of the heat insulation layer towards the electrolyte storage tank is provided with a groove for mounting the electric heat tracing belt.
[0009] The electric heat tracing belt is arranged in the groove and connected with the battery management system of the liquid flow energy storage system.
[0010] The first temperature sensor is connected with the battery management system.
[0011] Preferably, the groove comprises a first spiral groove and a second spiral groove; the first spiral groove and the second spiral groove are arranged in the form of double helix.
[0012] The electric heat tracing band is provided with two groups, and the two groups of electric heat tracing bands are arranged in the first spiral groove and the second spiral groove respectively, and the two groups of electric heat tracing bands are connected with the battery management system.
[0013] Preferably, the heat insulation layer is arranged on the side wall of the capacity unit container.
[0014] Preferably, the outer side of the heat insulation layer connected with the side wall of the capacity unit container is attached to the corrugated plate-shaped side wall of the capacity unit container.
[0015] Preferably, the electric heat tracing band is fixed in the groove in the form of externally attaching a metal foil adhesive tape.
[0016] Preferably, the heat insulation layer is attached with a metal foil on the side surface facing the electrolyte storage tank.
[0017] Preferably, the first temperature sensor is arranged at the side wall of the electrolyte storage tank, and the joint of the electric heat tracing band is located at the upper end of the electric heat tracing band.
[0018] Preferably, the flow energy storage electrolyte heat tracing system further comprises a second temperature sensor for measuring the temperature inside the capacity unit container and a space cooling system for cooling the internal space of the capacity unit container, and the second temperature sensor and the space cooling system are connected with the battery management system.
[0019] Preferably, the space cooling system comprises an exhaust system for cooling the internal space of the capacity unit container.
[0020] Preferably, the second temperature sensor is arranged inside the capacity unit container.
[0021] The utility model discloses a flow energy storage electrolyte heat tracing system, and the utility model has the advantages of:
[0022] The utility model discloses a flow energy storage electrolyte heat tracing system, and the utility model has the advantages of:
[0023] The utility model discloses a flow energy storage electrolyte heat tracing system, and the utility model has the advantages of:
[0024] The utility model discloses a heat insulation layer is inlaid to the container side wall corrugated board shape of customizing grooving, and the inlaid adhesion type design is simple in structure, greatly reduces the container width space, and the convenient post -maintenance is simple and effective, and the cost is low, and the convenient pasting makes installation convenient, can improve the integration time cost, saves manual work, thereby reaches the purpose that saves the cost.
[0025] The electric heat tracing band is fixed in the groove of the heat insulation layer in the side wall of the capacity unit container by lining with aluminum foil and pasting aluminum foil adhesive tape, which fixes the electric heat tracing band and increases the heat dissipation area, makes the electrolyte heat more evenly, and further improves the system operation efficiency.
[0026] The utility model discloses a second temperature sensor and space cooling system, make capacity unit container internal space temperature maintain in second preset temperature range, make capacity unit container internal space temperature also can keep in reasonable range, avoid the risk that capacity unit temperature is too high, avoid the active substance in electrolyte precipitate. BRIEF DESCRIPTION OF DRAWINGS
[0027] The utility model will be further described below in connection with the drawings and examples.
[0028] Figure 1 It is a kind of liquid flow energy storage electrolyte heat tracing system structure schematic diagram provided by the utility model embodiment.
[0029] Figure 2 It is the inside structure schematic diagram of the heat insulation layer provided by the utility model embodiment.
[0030] Figure 3 It is the assembly schematic diagram of the heat insulation layer and electric heat tracing band provided by the utility model embodiment.
[0031] Figure 4 It is the cooperation relationship schematic diagram of the metal foil adhesive tape and electric heat tracing band provided by the utility model embodiment.
[0032] Figure 5 It is the structure schematic diagram of the heat insulation layer in capacity unit container inside provided by the utility model embodiment.
[0033] Figure 6 It is the schematic diagram of the heat insulation layer outer layer and capacity unit container side wall adhesion provided by the utility model embodiment.
[0034] Among them:
[0035] 1 is liquid flow energy storage electrolyte heat tracing system;
[0036] 1001 is heat insulation layer;10011 is groove;10012 is metal foil adhesive tape;
[0037] 1002 is an electric heat tracing band; 1003 is a first temperature sensor; 1004 is a second temperature sensor; 1005 is a space cooling system;
[0038] 2 is a battery management system; 3 is a capacity unit container side wall. DETAILED DESCRIPTION
[0039] Before any examples embodiments are described in further detail, it should be noted that some example embodiments are described as processes or methods depicted as flowcharts. Although the processes are described in a particular sequential order, many of the processes can be performed in parallel, concurrently or in any order. In addition, the order of the processes can be re-arranged. The processes can be terminated when their operations are completed, but the processes can also have additional steps not included in the figure, which can likewise be performed after the processes are terminated. The processes can correspond to methods, functions, procedures, subroutines, subprograms, etc.
[0040] It is to be understood that the terms "first", "second", etc. can be used herein to describe various elements, but the elements should not be limited by these terms. The terms are only used to differentiate one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0041] The utility model will be explained in detail now in combination with the drawings. The drawing is a simplified schematic diagram, and only schematically illustrates the basic structure of the utility model, so it only shows the structure related to the utility model.
[0042] In order to facilitate subsequent understanding, the professional terms appearing below are explained here:
[0043] The liquid flow energy storage system mainly includes a power unit, a capacity unit and a battery management system. The power unit mainly includes an electric pile. The capacity unit mainly includes an electrolyte storage tank, electrolyte, a pump and a pipeline and the like. The electrolyte is stored in the electrolyte storage tank. The electrolyte storage tank and the pump are arranged in the container of the capacity unit. The electrolyte storage tank and the electric pile are connected through the pipeline. The battery management system (BMS: Battery Management System) is used for controlling the operation of the liquid flow energy storage system.
[0044] Embodiments
[0045] For the convenience of understanding, before the detailed description of the embodiments of the utility model, the overall invention concept is described as a whole: in order to maintain the best operating temperature of liquid flow battery, the liquid flow energy storage electrolyte heat tracing system is used to control the temperature of battery system. Specifically, first, the structure of the liquid flow energy storage electrolyte heat tracing system is designed, including calculating the power required for the electric heat tracing band according to the electrolyte capacity and the size and temperature requirement of the storage tank, determining the length of the electric heat tracing band according to the power required for the electric heat tracing band;The installation environment is reconstructed using the electric heat tracing band, and the groove is customized using the heat insulation layer, the electric heat tracing band is fixed in the groove, the internal space occupied by the electric heat tracing band is effectively reduced, and the liquid flow energy storage electrolyte heat tracing system is prevented from being extruded after the liquid injection of the electrolyte storage tank is deformed. Secondly, the temperature data is obtained by the first temperature sensor and is transmitted to the BMS system, and the temperature of the electrolyte is effectively controlled by the BMS system, including: obtaining the electrolyte temperature data by the first temperature sensor;The BMS system controls the working state of the electric heat tracing band based on the electrolyte temperature data so that the electrolyte temperature is maintained within the first preset temperature range, so that the temperature of the electrolyte can be maintained within a reasonable range, and the efficient operation of the system is ensured.
[0046] The specific implementation is as follows:
[0047] As shown in Figure 1 , it is a structure schematic diagram of the liquid flow energy storage electrolyte heat tracing system provided by the utility model.
[0048] As an example, the liquid flow energy storage electrolyte heat tracing system 1 includes a heat insulation layer 1001, an electric heat tracing band 1002 and a first temperature sensor 1003 for measuring the temperature of the electrolyte. Referring to Figures 2 to 5 , the heat insulation layer 1001 is located in the capacity unit container 1 of the liquid flow energy storage system, is sleeved outside the electrolyte storage tank of the liquid flow energy storage system, and the side of the heat insulation layer 1001 towards the electrolyte storage tank is provided with a groove 10011 for installing the electric heat tracing band 1002;The electric heat tracing band 1002 is arranged in the groove 10011 and is electrically connected with the output end of the battery management system 2 of the liquid flow energy storage system;The first temperature sensor 1003 is a wall-mounted temperature sensor, is arranged at the side wall of the electrolyte storage tank, is in communication connection with the battery management system 2, and is used for transmitting the obtained electrolyte temperature data to the battery management system 2. Since the output end of the battery management system 2 is connected with the electric heat tracing band 1002, the working state of the electric heat tracing band 1002 can be controlled according to the electrolyte temperature data so that the electrolyte temperature is maintained within the first preset temperature range.
[0049] According to the preset temperature range and the temperature signal, the state of the heating element is controlled. For example, when the electrolyte temperature data meets a first temperature judgment condition, the battery management system 2 controls the electric heating tape 1002 to start working; when the electrolyte temperature data meets a second temperature judgment condition, the battery management system 2 controls the electric heating tape 1002 to stop working. Specifically, the first temperature judgment condition is that the electrolyte temperature is less than the lowest temperature value of the first preset temperature range, and the second temperature judgment condition is that the electrolyte temperature is greater than the highest temperature value of the first preset temperature range. Specifically, the first temperature preset range can be set to 5-20℃, that is, when the electrolyte temperature obtained by the first temperature sensor 1003 is lower than 5℃, the battery management system 2 controls the electric heating tape 1002 to start working; when the electrolyte temperature obtained by the first temperature sensor 1003 is higher than 20℃, the battery management system 2 controls the electric heating tape 1002 to stop working. It should be noted that the first temperature preset range is not limited here, that is, the relevant technical personnel can change the specific value of the first temperature preset range according to the actual demand, such as changing it to 5-30℃, which also falls within the protection scope of the present application.
[0050] In some possible embodiments, the groove includes a first spiral groove and a second spiral groove; the first spiral groove and the second spiral groove are arranged in a double spiral form; the electric heating tape is provided with two groups; the two groups of electric heating tapes are respectively arranged in the first spiral groove and the second spiral groove, and the two groups of electric heating tapes are electrically connected with the output end of the battery management system. The double spiral form arrangement can improve the uniformity of the electrolyte heating. The arrangement of the two groups of electric heating tapes can select one group or two groups of electric heating tapes according to the actual temperature of the electrolyte, which is more flexible.
[0051] In some possible embodiments, as shown in Figure 5 The heat insulation layer 1001 is arranged on the side wall 3 in the capacity unit container. Arrangement on the side wall can reduce the pressure on the heat insulation layer 1001 and prolong the service life. In other embodiments, the heat insulation layer 1001 can also be additionally arranged on the bottom surface of the capacity unit container. As shown in Figure 6 When the heat insulation layer 1001 is arranged on the side wall 3 of the capacity unit container, the outer side of the heat insulation layer 1001 connected with the side wall 3 of the capacity unit container is preferably attached to the corrugated plate-shaped side wall 3 of the capacity unit container. The heat insulation layer 1001 can be made of polystyrene film plastic. The customized slotted heat insulation layer 1001 is very suitable for the corrugated plate shape of the container side wall, that is, the outer side of the heat insulation layer 1001 is attached to the corrugated plate shape of the container side wall, which is convenient to paste, so that the installation is convenient, the integrated time cost can be improved, the labor can be saved, and the purpose of saving cost is achieved.
[0052] In some possible embodiments, as shown in Figure 4As shown, the electric heating cable 1002 is fixed in the groove by means of an external metal foil tape 10012. In some feasible embodiments, to further enhance the heat transfer between the insulation layer and the electrolyte tank, metal foil (such as aluminum foil) can be applied to the entire side of the insulation layer facing the electrolyte tank. The metal foil tape 10012 can be aluminum foil tape. The electric heating cable 1002 is fixed in the groove 10011 of the insulation layer 1001 inside the side wall of the capacity unit container by means of an inner aluminum foil lining and an outer aluminum foil tape. This not only fixes the electric heating cable 1002 but also increases the heat dissipation area, making the electrolyte heat more evenly heated and further improving the system operating efficiency.
[0053] In some feasible implementations, the electric heating cable 1002 includes a temperature-controlled heating cable and a self-regulating heating cable. When the electric heating cable is a temperature-controlled heating cable, it is electrically connected to the battery management system via a temperature controller. When the electric heating cable is a self-regulating heating cable, it is directly electrically connected to the battery management system. The two methods can be freely combined to achieve effective control of the electrolyte temperature.
[0054] In some feasible implementations, the length of the electric heating tape 1002 is selected according to a preset temperature, including: calculating the power required for the electric heating tape; and determining the length of the electric heating tape based on the power per unit length of the electric heating tape.
[0055] The formula for calculating the power required for electric heating tape is:
[0056] ;
[0057] ;
[0058] In the formula, The heat loss power per unit plane, in units of , This is a preset temperature, in °C, preferably 5 °C. This represents the lowest ambient temperature in the local area, expressed in degrees Celsius (°C). Here, we take -26.6°C. The insulation layer thickness is expressed in meters (m), and is preferably 20 mm. The thermal conductivity of the insulation material is expressed in units of 1000 ppm. The table can be consulted to obtain the result. It is 0.033 W / (m℃). The thermal conductivity coefficient of the insulation layer facing the atmosphere, expressed in units of... ,Pick Q represents the power required for the electric heating cable, in watts (W), and S represents the surface area of the container unit, in cubic meters (W). .
[0059] Specifically, taking the following container capacity units as an example, their dimensions are shown in Table 1:
[0060] Table 1:
[0061]
[0062] The calculation results are as follows:
[0063] ; Based on this, the data of the electric heat tracing band are shown in Table 2:
[0064] Table 2:
[0065]
[0066] That is, according to the calculation, the total length of the electric heat tracing band required by a set of capacity unit container is 145 m (considering a safety margin of 30%) according to the heat output of 30 W / m of the electric heat tracing band.
[0067] More specifically, the electric heat tracing band 1002 is recommended to be of a high specification and has a grounding shielding layer. The structure of the electric heat tracing band 1002 should be composed of a heating conductor, an insulation layer, a grounding shielding layer and an outer sheath from inside to outside in the radial direction, and the outer diameter thereof should not be less than 6 mm. The heating conductor of the heating cable should use pure metal or metal alloy material. The heating cable has a hot wire for heating and a cold wire for connection in the axial direction. The connection of the hot and cold wires should be safe and reliable, and should meet the non-continuous normal service life of at least 50 years. It should be noted that the specific model of the electric heat tracing band is not limited here, and relevant technical personnel can replace and select different specifications of the electric heat tracing band according to actual needs in the application process.
[0068] In some possible embodiments, the joint of the electric heat tracing band is located at the upper end of the electric heat tracing band, that is, the joint of the electric heat tracing band is located above the electrolyte storage tank inside the capacity unit container, which is convenient for later maintenance, has a wider maintenance space compared to the traditional bottom installation, and has a lower probability of failure.
[0069] In some possible embodiments, as shown in Figure 1 , the flow energy storage electrolyte heat tracing system 1 further comprises a second temperature sensor 1004 for measuring the temperature inside the capacity unit container and a space cooling system 1005 for cooling the internal space of the capacity unit container; the second temperature sensor 1004 is arranged inside the capacity unit container and is electrically connected to the input end of the battery management system 2; the output end of the battery management system 2 is electrically connected to the input end of the space cooling system 120, and the working state of the space cooling system 120 is controlled based on the temperature data of the internal space of the capacity unit container, so that the temperature of the internal space of the capacity unit container is maintained within a second preset temperature range.
[0070] Specifically, the space cooling system 1005 includes an exhaust system, such as an exhaust fan, for cooling the internal space of the capacity unit container. The second temperature sensor 1004 is arranged in the internal space of the capacity unit container.
[0071] Specifically, when the temperature data of the internal space of the capacity unit container satisfies the third temperature judgment condition, the battery management system 2 controls the space cooling system 10005 to start working; when the temperature data of the internal space of the capacity unit container does not satisfy the third temperature judgment condition, the battery management system 2 controls the space cooling system 10005 to stop working. That is, when the space temperature obtained by the second temperature sensor is high, the exhaust system is started to cool down, which can avoid the situation that the temperature of the internal space of the capacity unit is too high, so that the running environment of the pump and other equipment in the capacity unit is more optimal, and the service life is longer; and can also avoid the problem that the vanadium pentoxide precipitates due to the too high temperature during the running of the battery system, which causes the flow channel to be blocked, the carbon felt fiber to be coated, and the stack to be scrapped. More specifically, the second preset temperature range is -10-40℃, that is, when the space temperature obtained by the second temperature sensor 1004 is between -10-40℃, the battery management system 2 controls the space cooling system 10005 to stop working; when the space temperature obtained by the second temperature sensor 1004 is higher than 40℃, the battery management system 2 controls the space cooling system 10005 to start working. For example, the battery management system 2 sends a high-level signal to the space cooling system 10005 to make it start working, and sends a low-level signal to the space cooling system 10005 to make it stop working. It should be noted that the second preset temperature range is not limited here, that is, the related technical personnel can change the specific value of the second preset temperature range based on actual needs, such as changing it to -10-30℃, which is also within the protection scope of the present application.
[0072] Preferably, in order to avoid the short circuit problem of the electric heating tape caused by overlapping, a special explosion-proof junction box is used, and all the wiring ends of the electric heating tape are placed in the explosion-proof box, which can effectively reduce the short circuit problem caused by the overlapping of the electric heating tape and improve the safety.
[0073] In the above embodiment, the electric heating tape is fixed in the groove by using the thermal insulation material to customize the groove, which effectively reduces the occupation of internal space by the electric heating tape, prevents the electrolyte tank from being deformed and extruding the heating system after liquid injection, and can be customized according to the size of different containers, facilitating overall construction, effectively reducing the construction time of the electric heating tape, and further reducing the labor cost. The electric heating tape is fixed by using the inner aluminum foil and the outer aluminum foil tape, which has the advantages of fixing the heating tape and increasing the heat dissipation area, making the electrolyte heating more uniform, and further improving the operation efficiency of the battery system. The electric heating tape installation method is divided into two types: one is a temperature control heating tape, and the other is a self-limiting temperature heating tape. The two methods can be freely matched to effectively control the electrolyte temperature. Multiple damage and short circuit designs are adopted, a special explosion-proof junction box is used, all wiring terminals are placed in the explosion-proof box, which effectively reduces the problem of too small turning radius of the heating tape during construction, overlapping of the heating tape causing short circuit of the heating tape, and improves safety. By linking the BMS system with the heating system, the battery system is always in the best working state. The double-loop laying of the electric heating tape greatly improves the effective heating area of the electric heating tape. The electric heating tape is fixed on the side wall and spirally climbs, which is convenient for installation and has good concealment after installation, and has strong pressure bearing capacity, effectively improving the service life of the electric heating tape.
[0074] It is worth mentioning that each unit involved in the embodiment is a logical unit. In actual application, one logical unit can be one physical unit, a part of one physical unit, or a combination of multiple physical units. In addition, in order to highlight the innovative part of the utility model, units not closely related to solving the technical problems proposed in the utility model are not introduced in the embodiment, but this does not mean that other units do not exist in the embodiment.
[0075] The above is only an embodiment of the utility model, and the specific structure and characteristics of the scheme are not described in detail. The ordinary skilled person in the art knows all the ordinary technical knowledge in the technical field of the utility model before the application date or the priority date, can know all the prior art in the field, and has the ability to apply conventional experimental methods before that date. The ordinary skilled person in the art can improve and implement the scheme based on their own ability under the guidance of the application, and some typical known structures or known methods should not be an obstacle for the ordinary skilled person in the art to implement the application. It should be noted that for those skilled in the art, without departing from the structure of the utility model, a number of modifications and improvements can be made, which should be considered as the protection scope of the utility model, and these will not affect the effect and practicality of the utility model. The protection scope of the application should be based on the content of its claims, and the specific implementation mode in the specification can be used to explain the content of the claims.
Claims
1. A flow energy storage electrolyte heat tracing system, comprising: The heat insulation layer, the electric heat tracing tape and the first temperature sensor for measuring the temperature of the electrolyte; The heat insulation layer is arranged in a capacity unit container of the liquid flow energy storage system, and is sleeved outside an electrolyte storage tank of the liquid flow energy storage system; a side of the heat insulation layer facing the electrolyte storage tank is provided with a groove in which the electric heat tracing tape is arranged; The electric heat tracing tape is arranged in the groove and is connected with a battery management system of the liquid flow energy storage system; The first temperature sensor is connected with the battery management system.
2. The flow energy storage electrolyte heat tracing system of claim 1, wherein, The groove comprises a first spiral groove and a second spiral groove; the first spiral groove and the second spiral groove are arranged in a double spiral form; The electric heat tracing tape comprises two groups; the two groups of electric heat tracing tapes are arranged in the first spiral groove and the second spiral groove respectively, and the two groups of electric heat tracing tapes are connected with the battery management system.
3. The flow energy storage electrolyte thermal system of claim 1, wherein, The heat insulation layer is arranged on a side wall of the capacity unit container.
4. The flow energy storage electrolyte heat tracing system of claim 3, wherein, An outer side of the heat insulation layer connected with the side wall of the capacity unit container is attached to the side wall of the capacity unit container in a corrugated plate shape.
5. The flow energy storage electrolyte thermal system of claim 1, wherein, The electric heat tracing tape is fixed in the groove in a manner of externally attaching a metal foil adhesive tape.
6. The flow energy storage electrolyte thermal system of claim 1, wherein, A metal foil is attached to the side of the heat insulation layer facing the electrolyte storage tank.
7. The flow energy storage electrolyte thermal system of claim 1, wherein, The first temperature sensor is arranged at a side wall of the electrolyte storage tank; and a joint of the electric heat tracing tape is located at an upper end of the electric heat tracing tape.
8. The flow energy storage electrolyte heat tracing system of any one of claims 1-7, wherein, The liquid flow energy storage electrolyte heat tracing system further comprises a second temperature sensor for measuring the temperature inside the capacity unit container and a space cooling system for cooling the internal space of the capacity unit container; the second temperature sensor and the space cooling system are connected with the battery management system.
9. The flow energy storage electrolyte heat tracing system of claim 8, wherein, The space cooling system comprises an exhaust system for cooling the internal space of the capacity unit container.
10. The flow energy storage electrolyte heat tracing system of claim 8, wherein, The second temperature sensor is arranged inside the capacity unit container.